package com.client.net;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.Socket;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;


public class Request {

	private String path = "";

	public Request(String path) {
		super();
		this.path = path;
	}

	private URL url = null;
	private Socket socket = null;
	private OutputStream outStream = null;
	private BufferedReader mBufferedReader = null;

	public void cancle() throws IOException {
		if (outStream != null) {
			outStream.close();
		}
		if (mBufferedReader != null) {
			mBufferedReader.close();
		}
		if (socket != null) {
			socket.close();
		}
		if (conn != null) {
			conn.disconnect();
		}
	}

	public String postMultiFile(Map<String, String> params, FormFile[] files)
			throws Exception {
		 StringBuffer result=new StringBuffer();
		final String BOUNDARY = "---------------------------7da2137580612"; // 数据分隔线
		final String endline = "--" + BOUNDARY + "--\r\n";// 数据结束标志

		int fileDataLength = 0;
		for (FormFile uploadFile : files) {// 得到文件类型数据的总长度
			StringBuilder fileExplain = new StringBuilder();
			fileExplain.append("--");
			fileExplain.append(BOUNDARY);
			fileExplain.append("\r\n");
			fileExplain.append("Content-Disposition: form-data;name=\""
					+ uploadFile.getParameterName() + "\";filename=\""
					+ uploadFile.getFilename() + "\"\r\n");
			fileExplain.append("Content-Type: " + uploadFile.getContentType()
					+ "\r\n\r\n");
			fileExplain.append("\r\n");
			fileDataLength += fileExplain.length();
			if (uploadFile.getInStream() != null) {
				fileDataLength += uploadFile.getFile().length();
			} else {
				fileDataLength += uploadFile.getData().length;
			}
		}
		StringBuilder textEntity = new StringBuilder();
		for (Map.Entry<String, String> entry : params.entrySet()) {// 构造文本类型参数的实体数据
			textEntity.append("--");
			textEntity.append(BOUNDARY);
			textEntity.append("\r\n");
			textEntity.append("Content-Disposition: form-data; name=\""
					+ entry.getKey() + "\"\r\n\r\n");
			textEntity.append(entry.getValue());
			textEntity.append("\r\n");
		}
		// 计算传输给服务器的实体数据总长度
		int dataLength = textEntity.toString().getBytes().length
				+ fileDataLength + endline.getBytes().length;

		url = new URL(path);
		int port = url.getPort() == -1 ? 80 : url.getPort();
		socket = new Socket(InetAddress.getByName(url.getHost()), port);
		outStream = socket.getOutputStream();
		// 下面完成HTTP请求头的发送
		String requestmethod = "POST " + url.getPath() + " HTTP/1.1\r\n";
		outStream.write(requestmethod.getBytes());
		String accept = "Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*\r\n";
		outStream.write(accept.getBytes());
		String language = "Accept-Language: zh-CN\r\n";
		outStream.write(language.getBytes());
		String contenttype = "Content-Type: multipart/form-data; boundary="
				+ BOUNDARY + "\r\n";
		outStream.write(contenttype.getBytes());
		String contentlength = "Content-Length: " + dataLength + "\r\n";
		outStream.write(contentlength.getBytes());
		String alive = "Connection: Keep-Alive\r\n";
		outStream.write(alive.getBytes());
		String host = "Host: " + url.getHost() + ":" + port + "\r\n";
		outStream.write(host.getBytes());
		// 写完HTTP请求头后根据HTTP协议再写一个回车换行
		outStream.write("\r\n".getBytes());
		// 把所有文本类型的实体数据发送出来
		outStream.write(textEntity.toString().getBytes());
		// 把所有文件类型的实体数据发送出来
		for (FormFile uploadFile : files) {
			StringBuilder fileEntity = new StringBuilder();
			fileEntity.append("--");
			fileEntity.append(BOUNDARY);
			fileEntity.append("\r\n");
			fileEntity.append("Content-Disposition: form-data;name=\""
					+ uploadFile.getParameterName() + "\";filename=\""
					+ uploadFile.getFilename() + "\"\r\n");
			fileEntity.append("Content-Type: " + uploadFile.getContentType()
					+ "\r\n\r\n");
			outStream.write(fileEntity.toString().getBytes());
			if (uploadFile.getInStream() != null) {
				byte[] buffer = new byte[1024];
				int len = 0;
				while ((len = uploadFile.getInStream().read(buffer, 0, 1024)) != -1) {
					outStream.write(buffer, 0, len);
				}
				uploadFile.getInStream().close();
			} else {
				outStream.write(uploadFile.getData(), 0,
						uploadFile.getData().length);
			}
			outStream.write("\r\n".getBytes());
		}
		// 下面发送数据结束标志，表示数据已经结束
		outStream.write(endline.getBytes());

		mBufferedReader = new BufferedReader(new InputStreamReader(
				socket.getInputStream()));
		String temp=null;
		while((temp=mBufferedReader.readLine())!=null)
//		if (result.indexOf("200") == -1) {// 读取web服务器返回的数据，判断请求码是否为200，如果不是200，代表请求失败
//			return false;
			result.append(temp);
//		}
		temp=result.toString();
		if(temp!=null&&!"".equals(temp))
		{
			temp=temp.substring(temp.lastIndexOf("{"),temp.lastIndexOf("}")+1);
		}
		outStream.flush();
		outStream.close();
		mBufferedReader.close();
		socket.close();
		return temp;
	}

	public String postSingleFile(Map<String, String> params, FormFile file)
			throws Exception {
		return postMultiFile(params, new FormFile[] { file });
	}

	private HttpURLConnection conn = null;

	private InputStream post(Map<String, String> params, String encode)
			throws Exception {
		StringBuilder parambuilder = new StringBuilder("");
		if (params != null && !params.isEmpty()) {
			for (Map.Entry<String, String> entry : params.entrySet()) {
				parambuilder.append(entry.getKey()).append("=")
						.append(URLEncoder.encode(entry.getValue(), encode))
						.append("&");
			}
			parambuilder.deleteCharAt(parambuilder.length() - 1);
		}
		byte[] data = parambuilder.toString().getBytes();
		url = new URL(path);
		conn = (HttpURLConnection) url.openConnection();
		conn.setDoOutput(true);// 允许对外发送请求参数
		conn.setUseCaches(false);// 不进行缓存
		conn.setConnectTimeout(5 * 1000);
		conn.setRequestMethod("POST");
		// 下面设置http请求头
		conn.setRequestProperty(
				"Accept",
				"image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
		conn.setRequestProperty("Accept-Language", "zh-CN");
		conn.setRequestProperty(
				"User-Agent",
				"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
		conn.setRequestProperty("Content-Type",
				"application/x-www-form-urlencoded");
		conn.setRequestProperty("Content-Length", String.valueOf(data.length));
		conn.setRequestProperty("Connection", "Keep-Alive");

		// 发送参数
		outStream = new DataOutputStream(conn.getOutputStream());
		outStream.write(data);// 把参数发送出去
		outStream.flush();
		outStream.close();
		if (conn.getResponseCode() == 200) {
			return conn.getInputStream();
		}
		return null;
	}

	public String postFormData(Map<String, String> params) throws Exception {
		InputStream mInputStream = post(params, "UTF-8");
		byte bytes[] = readStream(mInputStream);
		String result = new String(bytes);
		return result;
	}

	public InputStream postRequestFileInputStream(Map<String, String> params)
			throws Exception {
		return post(params, "UTF-8");
	}

	private byte[] readStream(InputStream inStream) throws Exception {
		ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
		byte[] buffer = new byte[1024];
		int len = -1;
		while ((len = inStream.read(buffer)) != -1) {
			outSteam.write(buffer, 0, len);
		}
		outSteam.close();
		inStream.close();
		return outSteam.toByteArray();
	}
}
